US10569190B2 - Packed column - Google Patents
Packed column Download PDFInfo
- Publication number
- US10569190B2 US10569190B2 US15/762,787 US201715762787A US10569190B2 US 10569190 B2 US10569190 B2 US 10569190B2 US 201715762787 A US201715762787 A US 201715762787A US 10569190 B2 US10569190 B2 US 10569190B2
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- US
- United States
- Prior art keywords
- gas
- liquid
- contactor
- liquid contactor
- packed column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/26—Fractionating columns in which vapour and liquid flow past each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/008—Liquid distribution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/343—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas
- B01D3/346—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas the gas being used for removing vapours, e.g. transport gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
- F25J3/04284—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/044—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a single pressure main column system only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
- F25J3/04848—Control strategy, e.g. advanced process control or dynamic modeling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
- F25J3/04896—Details of columns, e.g. internals, inlet/outlet devices
- F25J3/04909—Structured packings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
- F25J3/04896—Details of columns, e.g. internals, inlet/outlet devices
- F25J3/04927—Liquid or gas distribution devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/16—Fractionating columns in which vapour bubbles through liquid
- B01D3/18—Fractionating columns in which vapour bubbles through liquid with horizontal bubble plates
- B01D3/20—Bubble caps; Risers for vapour; Discharge pipes for liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/32—Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/72—Refluxing the column with at least a part of the totally condensed overhead gas
Definitions
- the low-temperature air vaporized at the condenser 115 is introduced into the main heat exchanger 111 through a low-temperature air stream 119 , exchanges heat with the purified air to be heated to ⁇ 140° C., and is drawn in this intermediate temperature state into a turbine inlet stream 120 from an intermediate portion of the main heat exchanger 111 .
- the low-temperature air in the intermediate temperature state is introduced into an expansion turbine 121 , in which the low-temperature air is expanded to 30 kPaG and its temperature is lowered to ⁇ 170° C. by adiabatic expansion.
- the low-temperature air lowered in temperature by the expansion turbine 121 is introduced into the main heat exchanger 111 again through a turbine outlet stream.
- FIG. 10 is a graph illustrating the correlations between the liquid maldistribution rate and the performance deterioration rate obtained from the simulation models of FIGS. 8 and 9 .
- FIG. 15 is a system diagram illustrating the basic configuration of a nitrogen generator.
- the ascending gas introduced from the gas introduction portion 12 is subjected to a distillation operation in the lower gas-liquid contactor 18 , introduced into the gas disperser 20 to be dispersed, introduced into the upper gas-liquid contactor 17 to be subjected to a distillation operation, and then discharged from the gas discharge portion 14 .
- the descending liquid introduced from the liquid introduction portion 15 is distributed by the liquid distributor 19 and introduced into the upper gas-liquid contactor 17 and the lower gas-liquid contactor 18 in this order. The liquid thus introduced becomes maldistributed as it descends, and is discharged from the liquid discharge portion 13 .
- FIG. 5 is a simulation model of the case where the gas disperser 20 is provided between the upper gas-liquid contactor 17 and the lower gas-liquid contactor 18 , as illustrated in the first embodiment.
- Descending liquid to be introduced into packed column models 41 , 42 is introduced at a given ratio from a liquid distributor model 43 into the uppermost portions of the packed columns, and then reaches the lowermost portions of the packed column models 41 , 42 .
- FIG. 8 is a simulation model of the case where a gas-liquid contactor is formed into the vertically divided upper gas-liquid contactor 33 a , intermediate gas-liquid contactor 33 b , and lower gas-liquid contactor 34 , the upper liquid distributor 35 a is provided above the upper gas-liquid contactor 33 a , the intermediate liquid distributor 35 b is provided between the upper gas-liquid contactor 33 a and the intermediate gas-liquid contactor 33 b , and the gas disperser 36 is provided between the intermediate gas-liquid contactor 33 b and the lower gas-liquid contactor 34 , as illustrated in the second embodiment.
- descending liquid to be introduced from a liquid introduction portion 76 is introduced at a given ratio from an upper liquid distributor model 77 into the packed column models 72 , 73 , subjected to distillation operations in the upper gas-liquid contactor models 75 , and have their compositions uniformed in an intermediate liquid distributor model 78 . Then, the resultant descending liquid is introduced at the same ratio as that by the upper liquid distributor model 77 into the lower gas-liquid contactor models 74 , and descends to the lowermost portions of the packed column models 72 , 73 .
- each upper gas-liquid contactor model 66 a is H1A
- the height of each intermediate gas-liquid contactor model 66 b is H1B
- the height of each lower gas-liquid contactor model 64 is H2
- the height H2 of the lower gas-liquid contactor model 64 is reduced while the entire height of all gas-liquid contactor models (H1A+H1B+H2) and the height H1A of the upper gas-liquid contactor model 66 a are fixed, that is, the gas disperser 65 is shifted downward without changing the entire height.
- FIG. 12 illustrates the result.
Abstract
Description
- 11 packed column
- 12 gas introduction portion
- 13 liquid discharge portion
- 14 gas discharge portion
- 15 liquid introduction portion
- 16 tubular body
- 17 upper gas-liquid contactor
- 18 lower gas-liquid contactor
- 19 liquid distributor
- 20 gas disperser
- 21 path
- 22 turn back portion
- 23 liquid receiving portion
- 24 bottom hole
- 31 packed column
- 32 tubular body
- 33 a upper gas-liquid contactor
- 33 b intermediate gas-liquid contactor
- 34 lower gas-liquid contactor
- 35 a upper liquid distributor
- 35 b intermediate liquid distributor
- 36 gas disperser
- 41, 42 packed column model
- 43 liquid distributor model
- 44 upper gas-liquid contactor model
- 45 lower gas-liquid contactor model
- 46 gas disperser model
- 47 gas introduction portion
- 48 liquid introduction portion
- 51 gas introduction portion
- 52, 53 packed column model
- 54 lower gas-liquid contactor model
- 55 upper gas-liquid contactor model
- 56 liquid introduction portion
- 57 liquid distributor model
- 61 gas introduction portion
- 62, 63 packed column model
- 64 lower gas-liquid contactor model
- 65 gas disperser model
- 66 a upper gas-liquid contactor model
- 66 b intermediate gas-liquid contactor model
- 67 liquid introduction portion
- 68 a upper liquid distributor model
- 68 b intermediate liquid distributor model
- 71 gas introduction portion
- 72, 73 packed column model
- 74 lower gas-liquid contactor model
- 75 upper gas-liquid contactor model
- 76 liquid introduction portion
- 77 upper liquid distributor model
- 78 intermediate liquid distributor model
- 81 upper gas-liquid contactor
- 82 lower gas-liquid contactor
- 83 intermediate liquid distributor
- 84 gas disperser
- 100 nitrogen generator
- 101 distillation column
- 102 upper liquid distributor
- 103 upper gas-liquid contactor
- 104 intermediate liquid distributor
- 105 lower gas-liquid contactor
- 106 air compressor
- 107 aftercooler
- 108 pre-treatment unit
- 109 purified air stream
- 110 cold box
- 111 main heat exchanger
- 112 gas introduction stream
- 113 gas discharge stream
- 114 condensation stream
- 115 condenser
- 116 liquid discharge stream
- 117 liquid-air pressure reducing valve
- 118 liquid introduction stream
- 119 low-temperature air stream
- 120 turbine inlet stream
- 121 expansion turbine
- 122 turbine outlet stream
- 123 waste gas stream
- 124 product nitrogen gas stream
- 131 distillation column
- 132 gas-liquid contactor
- 133 liquid distributor
- 135, 136 gas-liquid contactor
- 137 upper liquid distributor
- 138 intermediate liquid distributor
- 139 packed column
Claims (4)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016-063977 | 2016-03-28 | ||
JP2016063977A JP6178454B1 (en) | 2016-03-28 | 2016-03-28 | Packed tower |
PCT/JP2017/008554 WO2017169512A1 (en) | 2016-03-28 | 2017-03-03 | Packed column |
Publications (2)
Publication Number | Publication Date |
---|---|
US20180257001A1 US20180257001A1 (en) | 2018-09-13 |
US10569190B2 true US10569190B2 (en) | 2020-02-25 |
Family
ID=59559172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/762,787 Active US10569190B2 (en) | 2016-03-28 | 2017-03-03 | Packed column |
Country Status (5)
Country | Link |
---|---|
US (1) | US10569190B2 (en) |
EP (1) | EP3438582A4 (en) |
JP (1) | JP6178454B1 (en) |
CN (1) | CN108351164B (en) |
WO (1) | WO2017169512A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11426676B2 (en) * | 2019-09-02 | 2022-08-30 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Gas/liquid separation column containing a dispensing device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111530113B (en) * | 2020-05-07 | 2023-12-01 | 杭氧集团股份有限公司 | Liquid distribution test system in large-scale packed tower and operation method |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3796657A (en) * | 1965-05-11 | 1974-03-12 | V Pretorius | Apparatus for distribution separation processes,their manufacture and use |
US4432913A (en) * | 1981-08-31 | 1984-02-21 | The Dow Chemical Company | Liquid distributing apparatus and method for a liquid-vapor contact column |
US4689183A (en) * | 1985-12-02 | 1987-08-25 | The Dow Chemical Company | Ultra low flow rate liquid redistributor assembly for use in a liquid-vapor contact tower |
US5132055A (en) | 1989-12-14 | 1992-07-21 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Fluid distributor for heat and material exchange column, for example with lining, and column provided with such distributor |
JPH0791825A (en) | 1993-09-20 | 1995-04-07 | Hitachi Ltd | Air separator |
JP2000249464A (en) | 1998-12-28 | 2000-09-14 | Nippon Sanso Corp | Gas-liquid contact device, and air liquefying and separating device, and gas separation method |
US6128922A (en) | 1999-05-21 | 2000-10-10 | The Boc Group, Inc. | Distillation method and column |
US6286818B1 (en) * | 1997-07-04 | 2001-09-11 | Kuhni Ag | Internal members for mass transfer columns |
US20020050657A1 (en) * | 2000-09-11 | 2002-05-02 | Etienne Werlen | Packed column for exchanging heat and/or mass |
US6475349B1 (en) * | 1999-09-24 | 2002-11-05 | The Boc Group, Inc. | Distillation column and method for promoting a uniform vapor flow |
US20120279082A1 (en) * | 2009-09-29 | 2012-11-08 | Seavey Kevin C | Single Column Stripping and Drying Process |
US20130139569A1 (en) * | 2010-07-08 | 2013-06-06 | Pascal Alix | Column with gas distribution and method of characterizing a gas-liquid contacting element |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US2946200A (en) * | 1955-06-09 | 1960-07-26 | Air Prod Inc | Method of separating gaseous mixtures |
US4009230A (en) * | 1971-06-01 | 1977-02-22 | Stark Amsterdam Nv | Device for vacuum treatment of liquids by means of a gaseous strip-medium |
KR20160052778A (en) * | 2011-12-16 | 2016-05-12 | 에어 프로덕츠 앤드 케미칼스, 인코오포레이티드 | Liquid distributor with a mixer |
-
2016
- 2016-03-28 JP JP2016063977A patent/JP6178454B1/en active Active
-
2017
- 2017-03-03 WO PCT/JP2017/008554 patent/WO2017169512A1/en active Application Filing
- 2017-03-03 US US15/762,787 patent/US10569190B2/en active Active
- 2017-03-03 CN CN201780003820.8A patent/CN108351164B/en active Active
- 2017-03-03 EP EP17774057.8A patent/EP3438582A4/en active Pending
Patent Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
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US3796657A (en) * | 1965-05-11 | 1974-03-12 | V Pretorius | Apparatus for distribution separation processes,their manufacture and use |
US4432913A (en) * | 1981-08-31 | 1984-02-21 | The Dow Chemical Company | Liquid distributing apparatus and method for a liquid-vapor contact column |
US4689183A (en) * | 1985-12-02 | 1987-08-25 | The Dow Chemical Company | Ultra low flow rate liquid redistributor assembly for use in a liquid-vapor contact tower |
US5132055A (en) | 1989-12-14 | 1992-07-21 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Fluid distributor for heat and material exchange column, for example with lining, and column provided with such distributor |
JPH0679103A (en) | 1989-12-14 | 1994-03-22 | L'air Liquide | Distributor of fluid for exchange of heat and substance particularly in packing column and collumn provided with said distributor |
JPH0791825A (en) | 1993-09-20 | 1995-04-07 | Hitachi Ltd | Air separator |
US6286818B1 (en) * | 1997-07-04 | 2001-09-11 | Kuhni Ag | Internal members for mass transfer columns |
JP2000249464A (en) | 1998-12-28 | 2000-09-14 | Nippon Sanso Corp | Gas-liquid contact device, and air liquefying and separating device, and gas separation method |
JP2000337766A (en) | 1999-05-21 | 2000-12-08 | Boc Group Inc:The | Method of and tower for distillation |
US6128922A (en) | 1999-05-21 | 2000-10-10 | The Boc Group, Inc. | Distillation method and column |
US6475349B1 (en) * | 1999-09-24 | 2002-11-05 | The Boc Group, Inc. | Distillation column and method for promoting a uniform vapor flow |
US20020050657A1 (en) * | 2000-09-11 | 2002-05-02 | Etienne Werlen | Packed column for exchanging heat and/or mass |
US20120279082A1 (en) * | 2009-09-29 | 2012-11-08 | Seavey Kevin C | Single Column Stripping and Drying Process |
US20160159978A1 (en) * | 2009-09-29 | 2016-06-09 | Kevin C. Seavey | Single column stripping and drying process |
US9637593B2 (en) * | 2009-09-29 | 2017-05-02 | Dow Global Technologies Llc | Single column stripping and drying process |
US20130139569A1 (en) * | 2010-07-08 | 2013-06-06 | Pascal Alix | Column with gas distribution and method of characterizing a gas-liquid contacting element |
Non-Patent Citations (2)
Title |
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International Search Report dated May 30, 2017, issued for PCT/JP2017/008554. |
Supplementary European Search Report dated Nov. 6, 2019, issued for the European patent application No. 17774057.8. |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11426676B2 (en) * | 2019-09-02 | 2022-08-30 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Gas/liquid separation column containing a dispensing device |
Also Published As
Publication number | Publication date |
---|---|
CN108351164A (en) | 2018-07-31 |
WO2017169512A1 (en) | 2017-10-05 |
EP3438582A4 (en) | 2019-12-04 |
JP6178454B1 (en) | 2017-08-09 |
US20180257001A1 (en) | 2018-09-13 |
EP3438582A1 (en) | 2019-02-06 |
JP2017180871A (en) | 2017-10-05 |
CN108351164B (en) | 2021-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
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